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BIOS 252 COMPREHENSIVE FINAL EXAM PRACTICE TEST LATEST ANATOMY AND PHYSIOLOGY 170 QUESTIONS AND VERIFIED ANSWERS. GRADE A -CHAMBERLAIN UNIVERSITY $19.20
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BIOS 252 COMPREHENSIVE FINAL EXAM PRACTICE TEST LATEST ANATOMY AND PHYSIOLOGY 170 QUESTIONS AND VERIFIED ANSWERS. GRADE A -CHAMBERLAIN UNIVERSITY
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BIOS 252 COMPREHENSIVE FINAL EXAM PRACTICE TEST LATEST ANATOMY AND PHYSIOLOGY 170 QUESTIONS AND VERIFIED ANSWERS. GRADE A -CHAMBERLAIN UNIVERSITY

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  • July 26, 2024
  • 47
  • 2023/2024
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  • bios 252
  • bios 252 comprehensive final exam practice test
  • 2024 bios 252 comprehensive final exam practice
  • bios 252 comprehensive final exam 170 q and a
  • bios 252 comprehensive exam anatomy and physiolo

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BIOS 252 COMPREHENSIVE FINAL EXAM PRACTICE TEST LATEST 2024 -
2025 ANATOMY AND PHYSIOLOGY 170 QUESTIONS AND VERIF IED ANSWERS . GRADE A -CHAMBERLAIN UNIVERSITY 1. Which of the following is a recognized function of skeletal muscle? 1) A) guard body entrances and exits B) Maintain posture C) Maintain body temperature D) Produce movement E) all of the above : E 2. Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the A) myofibrils. B) Sarcolemma . C) Endomysium . D) Sarcomere . E) Perimysium .: E 3. Which of the following best describes the term sarcoplasmic reticulum? A) Largely made of myosin molecules B) Storage and release site for calcium ions C) Thin filaments are anchored here D) Protein that accounts for elasticity of resting muscle E) Repeating unit of striated myofibrils: B 4. Interactions between actin and myosin filaments of the sa rcomere are responsible for A) The conduction of neural stimulation to the muscle fiber. B) Muscle fatigue. C) The striped appearance of skeletal muscle. D) Muscle contraction. E) Muscle relaxation.: D 5. The region of the sarcomere that always contains thin filaments is the A) Z line. B) A band. C) H band. D) M line. E) I band.: E 6. At rest, active sites on the actin are blocked by A) calcium ions. B) Troponin molecules. C) Tropomyosin molecules. D) Myosin molecules. E) ATP molecules.: C 7. Cross -bridges are portions of A) actin molecules. B) Myosin molecules. C) Tropomyosin molecules. D) Troponin molecules. E) Calcium ions.: B 8. When a skeletal muscle fiber contracts, A) the zones of overlap get larger. B) the H bands and I bands get smaller. C) the Z lines get closer together. D) the width of the A band remains constant. E) all of the above: E 9. The following is a list of the events that occur during a muscle contraction. 1. Myosin cross -bridges bind to the actin. 2. The free myosin head splits ATP. 3. Calcium ion is released from the sarcoplasmic reticulum. 4. The myosin head pivots toward the center of t he sarcomere. 5. Calcium ion binds to troponin. 6. The myosin head binds an ATP molecule and detaches from the actin. The correct sequence of these events is A) 3, 5, 1, 2, 4, 6. B) 1, 4, 6, 2, 3, 5. C) 1, 3, 5, 4, 6, 2. D) 5, 1, 4, 6, 2, 3. E) 3, 5, 1, 4, 6, 2.: E 10. Active sites on the actin become available for binding after A) troponin binds to tropomyosin. B) calcium binds to tropomyosin. C) myosin binds to troponin. D) Calcium binds to troponin. E) Actin binds to troponin.: D 11. In an isotonic contraction , A) muscle tension exceeds the load and the muscle lifts the load. B) many twitches fuse into one. C) Tension rises and falls but the muscle length is constant. D) Flexion is produced. E) The peak tension is less than the load.: A 12. During anaerobic glycolysis A) oxygen is not consumed. B) Pyruvic acid is produced. C) ATP is produced. D) All of the above E) B and C only: D 13. The type of muscle fiber that is most resistant to fatigue is the _ _______ fiber. A) intermediat
e B) fast C) High -density D) Anaerobic E) slow: E 14. Shortening a muscle while it maintains constant tension is called ________. A) Complete tetanus B) An isometric contraction C) An isotonic contraction

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